NDLI: Accumulation and Transfer of Heavy Metals in the Mangrove from Ban Laemchabang Community, Chon Buri Province

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Accumulation and Transfer of Heavy Metals in the Mangrove from Ban Laemchabang Community, Chon Buri Province

Content Provider	Semantic Scholar
Author	Thongra-Ar, Waewtaa Musika, Chaluay Wongsudawan, Wanchai Munhapon, Arvut
Copyright Year	2017
Abstract	Mangroves play an important role as natural sinks for heavy metals. This study aimed to investigate the accumulation of heavy metals (Hg, Pb, Cd, Ni, Zn, Cu and Fe) in the mangrove sediments from Ban Laemchabang Community, Chon Buri Province. The ability of mangrove plants of the genus Avicennia consisting of A. alba and A. officinalis to accumulate and translocate heavy metals within their roots and leaves was also investigated. The results showed that the highest concentrations of almost all the heavy metals in the sediments were found in the area before entering the mangrove and the lowest concentrations were found in the area outside the mangrove to the sea. Therefore, the sediments could reduce the metals transport to the sea. The accumulation of heavy metals in the sediments and plant tissues was in the same order: Fe > Zn > Cu > Pb > Ni > Cd > Hg. The concentrations of all the heavy metals were highest in the sediments, while those in the roots and leaves were not significantly different ( p > 0.05). The ability of mangrove plants to accumulate heavy metals was very low (BCF values 1). Due to the low BCF values, the mangrove plants ( A. alba and A. officinalis) cannot be categorized as phytoremediation species of heavy metals in this mangrove area. Further study should be conducted with other mangrove species including metal speciation in the sediments. Keywords : heavy metal, mangrove, sediment, mangrove plant, Ban Laemchabang
Starting Page	312
Ending Page	327
Page Count	16
File Format	PDF HTM / HTML
Volume Number	22
Alternate Webpage(s)	http://science.buu.ac.th/ojs246/index.php/sci/article/download/1673/1670
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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